Rose (Rosa 'Robusta') in the Roses Database

Alternative cultivar names:
'Robusta'
'KORgosa'

Data specific to Roses (Edit)
Bloom size: Large: 4-5"
Bloom shape: Other: Saucer-shaped
Petal count: Single: 1-7 petals
Rose bloom color: Dark red
Extra Bloom Info: In clusters
Rebloom: Good
Class: Other: Hybrid rugosa
Growth Habit: Tall, 5-7 feet, upright
Fragrance: Moderate
Hybridizer & year: Reimer Kordes, 1979
Optimal growing zones: USDA zones 4 through 9

General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Plant Height: 5-7 feet
Plant Spread: 4-6 feet
Leaves: Deciduous
Flowers: Showy
Fragrant
Flower Color: Red
Flower Time: Spring
Summer
Fall
Uses: Cut Flower
Wildlife Attractant: Bees
Propagation: Other methods: Cuttings: Stem
Cuttings: Tip
Miscellaneous: With thorns/spines/prickles/teeth
Child plants: one child plant

 6:49 pm. Fell in love with the rich colour and the copious reblo

Photo gallery:
Location: Nora's Garden - Castlegar, B.C.Date: 2008-07-18 6:49 pm. Fell in love with the rich colour and the copious reblo
By HemNorth
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Location: Riverview, Robson, B.C.Date: 2009-06-08 4:46 pm. Brilliant colour and large, flaring petals.
By HemNorth
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San Jose Heritage Rose Garden
By Calif_Sue
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Location: Vicki's Garden, Vallican, B.C.Date: 2017-08-13 6:26 pm. A strong and brilliant specimen.
By HemNorth
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Location: Rose Garden Center, Tyler, TexasDate: 2014-05-03
By jon
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Location: Rose Garden Center, Tyler, TexasDate: 2014-05-03
By jon
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Location: Rose Garden Center, Tyler, TexasDate: 2014-05-03
By jon
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This plant is tagged in:
Image

Comments:
Posted by porkpal (Richmond, TX) on Oct 16, 2011 2:46 PM

My Robustas are tall, leggy shrubs with leaves only at the tips of the canes and wicked thorns. The blooms repeat fairly well here near the Texas Gulf Coast but are fragile and shatter easily. They would be at their best at the back of a bed.

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Posted by Newyorkrita (North Shore, Long Island, NY ) on Oct 16, 2011 3:03 PM

Robusta left my garden due to the combo of truly wicked thorns and long leggy canes that wanted to spread and take up much much more room than I had given it. I did so just love, love, love the vivid red flowers that were exceptionally pretty. Yes, it blackspots very easily.

.

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Discussion Threads about this plant
Thread Title Last Reply Replies
April 2019 -- Photos and Chat by zuzu May 3, 2019 9:46 AM 402
Early September Roses by roseseek Sep 8, 2018 10:20 AM 22
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July 2016 -- Photos and Chat by zuzu Jul 31, 2016 1:14 PM 157
The "Why Doesn't My Rose Bloom" Checklist by Steve812 Oct 18, 2012 10:03 AM 25
Photos and chat, October 2011 by zuzu Oct 31, 2011 1:56 PM 228
my rose list by Kathleen Jun 30, 2011 10:14 AM 12

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